Elizabeth Mitchell was born in Los Angeles, California, USA and raised in Dallas, Texas. She is an American actress who has made appearances in The Santa Clause 2, Nurse Betty, Gia, ER and numerous other film and TV shows. Her role on Lost is what she is most well-known for; however, she also spent 42 episodes and two seasons in J.J. Abrams' Revolution and will appear in The Expanse beginning in season 3. She attended Dallas's Booker T. Washington High School for the Performing and Visual Arts.

Elizabeth is married to actor Chris Soldevilla. They have a son, Christopher Jr, who was born on September 4, 2005.